Echo-sounders » Dual Frequency Transducers » T494
T494
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- DUAL FREQUENCY NAVIGATION & SURVEYING
- (OPTIONAL) DEEP-WATER 1800M VARIANT AVAILABLE
- LOW SIDE LOBES
- LONG RANGE ECHO SOUNDER
- TOWED BODY CAPABILITY
- FULLY OVER-MOULDED
The T494 is a high performance, dual-frequency transducers offering a versatile sounding system with high resolution and excellent range performance. The design features both high and low frequencies combined within a single over-moulded housing. The over-moulded polyurethane housing provides a mechanically robust, corrosion-free transducer for hull or over-side mounting. The transducer is available with or without acoustic calibration which is traceable to National Standards.
Technical Specification
| Resonant Frequency (Nominal) |
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|---|---|
| Beam Angle (-3db) |
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| Bandwidth |
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| Transmit Sensitivity |
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| Receive Sensitivity |
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| Nominal Impedance |
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| Transmit Voltage / Duty Cycle (Max) |
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Mechanical Specification
| Cable Type |
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|---|---|
| Operating Depth |
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| Cable Length |
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| Weight Air/Water (including 10m cable) |
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| Connector |
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| Operating Temperature |
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| Storage Temperature |
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